For example, many of us will be familiar with the pesky mouth ulcer. They're very common and often found on the internal lining of the mouth, the tongue or gingivae—the gums.

Canker sores are painful ulcers that occur in the mouth, including on gums. Here's a look at how to deal with them.

But people do eat salsa—and chips, nuts, and other foods that are spicy or acidic or sharp, and that can damage the lining of the mouth. Some of these wounds later develop into canker sores.

Thanks to Texas-based Davis Family Dental Care, we can see some solid home remedies for preventing and healing canker sores.

While you may already know the common signs — persistent mouth ulcers, lumps and red or white patches — Avangart recently revealed five lesser-known symptoms that demand immediate attention.

Jessica Tappenden-Rowell, 23, first dismissed the lesion on her tongue as an ulcer — until tests showed that it was mouth cancer; She had to undergo a "life-changing surgery" where surgeons ...

Stefan Schlabe and coauthors present the case of a 51-year-old HIV-positive patient, whose ulcer at the corner of his mouth occurred as the first sign of infection with monkeypox virus.

Hand, foot, and mouth disease is a viral illness known for its rash, mouth sores, and slightly raised red spots or white blisters on the palms of one's hands and the soles of one's feet.These ...

The condition Behcet’s disease can cause painful, swollen joints, and sores which appear not only in the mouth, but also on the genitalia. Ulcers can also be a sign of an impaired immune system.